The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 18, 2013
Filed:
May. 27, 2003
Junbiao Zhang, Bridgewater, NJ (US);
Junbiao Zhang, Bridgewater, NJ (US);
Thomson Licensing, Boulogne-Billcourt, FR;
Abstract
A method for authentication authorization and accounting (AAA) in an interworking between at least two networks. The at least two networks are capable of communicating with a broker and include a first network and a second network to user certificate from a user device corresponding to a user of the first network. The first network to user certificate is signed by at a first network private key and includes a broker to first network certificate and a user public key. The broker to first network certificate is signed by a broker private key and includes a first network public key. A session key is sent from the second network to the user device when the broker to first network certificate and the first network to user certificate are determined to be authentic by the second network based upon the broker public key and the first network public key, respectively. The session key is encrypted with the user public key. The session key is permitting the user device to access the second network.